Supreme Dan Refiner of Realms - Chapter 1 - 00 - Hell Spirit Grass

A martial art expert from the Song dynasty lives like a Phoenix that can live again in another body after death. This time, he happened to take over the body of a Japanese high schooler who is also a victim of bullying and has a bit complicated family circumstances.

A poor orphan, who lost both parents, stumbles upon a mysterious space and embarks on the path of cultivating immortality. From then on, he cultivates spiritual herbs, refines immortal pills, opens a shop, practices military formations, and establishes an immortal kingdom…This story is about cultivating immortality and farming, with a focus on ordinary people, not horses.

I exist in the darkness, disappear under the bright light, and will eventually devour the sun and turn into the shadow of all things… Known by people as the indescribable terror of darkness; the king of shadows; the dark day; the existence of the shadow of the world , is still just a somewhat special high school student, facing a weird death game…

- Description from novelbuddy

The extraordinaire has disrupted the silence of the world and ever since then, technology has taken a different path.